GeneralHOTWednesday, June 10, 2026

Water Supply Restoration Underway After 24-Hour Cut in Colombo Suburbs

TLDR

Kalatuwawa–Maharagama pipeline maintenance is now complete.
Water supply restoring for Homagama, Nugegoda, Maharagama by tonight, June 26.
Some areas may still experience low pressure or temporary disruptions.

The National Water Supply and Drainage Board (NWSDB) has announced significant water supply disruptions affecting parts of Galle and Kalutara districts today, June 10th. Residents in the Galle Municipal Council area will experience a 14-hour water cut from 9:00 AM to 11:00 PM due to essential maintenance at the Wakwella Water Treatment Plant. Simultaneously, several areas within the Kalutara District, including Kalutara, Wadduwa, Matugama, Beruwala, Aluthgama, and Payagala, will face a 10-hour interruption from 8:30 AM to 6:30 PM. This is attributed to a scheduled electricity supply disruption affecting the Kethhena Water Treatment Plant.

10 Updates

Update #11\u00b7 Jun 26 · 8:46 AM

The National Water Supply and Drainage Board (NWSDB) has announced the completion of urgent maintenance work on the main water transmission pipeline from Kalatuwawa–Maharagama. Restoration of water supply is underway, with full restoration expected by tonight (June 26, 2026) for areas including Homagama, Nugegoda, and Maharagama. The maintenance, which caused a 24-hour water cut from June 24, 8:00 p.m. to June 25, 8:00 p.m., has concluded. However, some areas may still experience low water pressure or temporary disruptions as the system refills.

Update #10\u00b7 Jun 24 · 5:47 AM

The National Water Supply and Drainage Board (NWSDB) has announced a 24-hour water cut affecting Padukka, Homagama, Kottawa, Pannipitiya, and Pelanwatta. The disruption commenced today (June 24, 2026) at 8:00 p.m. and is scheduled to continue until 8:00 p.m. tomorrow (June 25, 2026). This is due to essential maintenance work on the main water transmission line from Kalatuwawa to Boralesgamuwa. The NWSDB has clarified that Maharagama will receive water supply under low-pressure conditions during this period.

Update #9\u00b7 Jun 24 · 1:48 AM

The National Water Supply and Drainage Board (NWSDB) has confirmed that the 24-hour water cut affecting Padukka, Homagama, Kottawa, Pannipitiya, and Pelanwatta commenced today (June 24, 2026) at 8:00 p.m. and will continue until 8:00 p.m. tomorrow (June 25, 2026). This disruption is due to essential maintenance work on the main water transmission line from Kalatuwawa to Boralesgamuwa. The NWSDB also clarified that Maharagama will receive water supply under low-pressure conditions during this period.

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